Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 51 for “"Coagulants"”.
-
Treatment of industrial effluent using specialized, magnetized coagulants
Submitted in fulfillment of the requirements for the degree of: Master of Engineering: Chemical Engineering, Durban University of Technology, Durban, South Africa, 2023.
-
The coagulation of wastewater using biowaste materials as coagulants
Submitted in fulfilment of the requirements for the degree of Master of Engineering, Durban University of Technology, Durban, South Africa, 2025.
-
Characterization of sludges produced when using polyaluminum chloride coagulants
The dewatering characteristics of polyaluminum chloride (Hyper⁺Ion 1050A) sludges were investigated using lab-scale tests including specific resistance to filtration (r*), capillary suction time (CST), and sludge pH. The effects of chemical conditioning (lime and cationic polymer) and mixing …
-
Efficiency of natural coagulants for treatment of public market wastewater
… the favourability of M. oleifera as an efficient coagulants. The results proved that M. oleifera and C. arietinum as natural coagulants have the capability to remove pollutants in wastewater. The study shows that M. oleifera seed and C. arietinum act as an efficient natural coagulants, flocculant …
-
Effect of Coagulants and Calcium Reduction on Mozzarella Cheese Functionality
… Another objective was to study the effects of coagulants (chymosin and the proteases derived from Cryphonectria parasitica) and starter culture on the proteolysis of reduced calcium Mozzarella cheese. Mozzarella cheeses were made by direct acidification using glucono - δ- lactone or using …
-
The evaluation of polymeric organic coagulants for potable water treatment by dissolved air flotation
Submitted in fulfilment of the academic requirements for the Degree of Master of Engineering: Chemical Engineering, M. L. Sultan Technikon, Durban, South Africa, 2001.
-
A study on stryhcnos potatorum and pisum sativum as natural coagulants for meat food processing wastewater
… process which is widely used. Although inorganic coagulants are prominent in wastewater treatments, its application may cause toxic residual. In this study, the attempt has been made to study the performance of S. Potatorum (nirmali) and P. Sativum (pea) seed as natural coagulants in the …
-
Comparing Ferrous Chloride and Ferrous Sulfate as Secondary Coagulants at the Beaver Water District Drinking Water Treatment Plant
… sulfate (FS) - were compared as secondary coagulants in combination with alum, the primary coagulant. Ferrous salts were dosed stoichiometrically to reduce chlorite and alum was dosed at percentages (0-100%) relative to a typical alum dose at the BWD, 30 mg/L as alum. Settled water …
-
Coagulation and flocculation process using cassava peel starch modified with lemongrass extract for pollutants removal in raw water
… or native cassava peel starch (CPS) as dual coagulants in removing turbidity, total suspended solids (TSS), chemical oxygen demand (COD) and Escherichia coli (E. coli) in raw water. The effects of pH, coagulant dosage and settling time on coagulation and flocculation performance of the …
-
Leachate treatment by using composite coagulant made from polyaluminium chloride (PAC) and tapioca starch (TS)
… at wider pH value compare to other chemical coagulants. While, TS as a natural coagulant is available in abundance, cheaper, environmentally friendly and has ability to improve the coagulation efficiency. A series of jar test were carried out to determine pH and dose for single, dual and …
-
Using Coagulation to Enhance the Performance of Filtration at the South Truckee Meadows Water Reclamation Facility
… Parkson DynaSand® upflow filters. Five different coagulants were tested including aluminum sulfate, ferric chloride, polyaluminum chloride, and two aluminum-based coagulants (CC2110 and CC2220). Results were compared with the U.S. EPA Guidelines for Water Reuse, the Nevada Administrative Code …
-
The effect of flotation reagents on the coagulation and dewatering of flotation tailings
… study examines how flotation reagents, including coagulants, flocculants, depressants, and collectors, affect the coagulation and dewatering of flotation tailings. The BIC has 75% of the world's platinum reserves and 50% of palladium reserves, making it one of the most commercially significant …
-
The removal of organic waste matter from secondary sewage effluents by chemical coagulation
… municipal sewage-treatment plant. The inorganic coagulants alum, ferric chloride and lime as well as organic polyelectrolytes were tested for their ability to remove the organic waste matter from the above effluents under various conditions of pH and coagulant concentration. The tests were on …
-
Arsenic Removal From Drinking Water By Electrocoagulation
… is an alternative to using chemical coagulants for arsenic removal and thus is beneficial for communities with better access to electricity than to chemicals.
-
Produced Water Treament Using DAF With a Mixture of Ionic Liquids and Organoclay as Pre-treatment Chemicals
… turbidity at 3 different concentrations for both coagulants, the relationship between TDS, Salinity and Conductivity was also analyzed based on how they were affected by the different concentration levels and Recycle ratio. A third experimental set was done using both ionic liquid and organoclay …
-
Green approach to treat institutional wastewater by using cassava peels starch (CPS) as coagulant aid
… beyond standards. Applications of natural coagulants are widely in practice due to abundant source, low price, environment-friendly and rapid biodegradable as compared to inorganic based coagulants. This study traces the potential removal of pollutants from institutional wastewater by …
-
New composite coagulant from agro-waste (tapioca peel) and polyaluminium chloride for primary landfill leachate treatment
… treatment, alongside the utilisation of chemical coagulants. On the contrary, the use of chemical coagulants has certain drawbacks towards the health of the ecosystem and living organisms. Hence, this leads to the application of natural material (tapioca peel powder (TPP)) originated and recycled …
-
Treatment of Produced Water Using Dissolved Air Flotation (DAF) Technique and Ionic Liquids
… and total organic carbon using different coagulants. Five types of coagulants were used in the experiments. A widely used coagulant (aluminium sulphate), and four more environmentally friendly ionic liquids (1-methyl-3-octylyimidazolium tetrafluoroborate, 1-methyl-3-octylimidazolium …
-
Study of the Flavor and Consistency Problem in Cheddar Cheese Made From Buffalo Milk
… was left untreated. The effect of four different coagulants, five starter cultures and two pasteurization processes on Cheddar cheese body and flavor characteristics was studied. The objective of this study was to identify the conditions which would permit the manufacture of Cheddar cheese from …
Page 1 of 3